The trial court granted Vicar's motion and determined that California law permitted the prospective meal period waivers. The plaintiffs appealed. For decades, California employers have implemented prospective written meal period waivers. Two employees recently challenged whether prospective revocable, written meal period waivers when working shifts between five and six hours were enforceable under California law. The Court of Appeal in Bradsbery v. Vicar Operating, Inc., 110 Cal. App.